Year	current US$
2011	44290000.37908556
2012	41351637.959480286
2013	50662738.14439773
2014	46886018.753051765
2015	65191021.3828087
2016	50489044.54708099
2017	63519724.667072296
2018	67923528.40304373
2019	60459491.953253746
2020	44672162.666916855
2021	99348599.4338989
2022	76871221.98939326